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Round|Lab Grown|IGI

3.03ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG542210204

Shape and cutting style on the report: Round brilliant

Certificate IGI LG542210204

Diamond specifications and retailer prices

From £514 GBP
As of November 5, 2026
Save £1,822 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £2,336 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG542210204 or 542210204. Listed at 13 retailers as of November 5, 2026, with prices from £514 to £2,336, a £1,822 spread on the same certified stone. MOH London lists it at £2,336. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG542210204
Dimensions9.24 × 9.17 × 5.76 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.24 mm9.17 mm3.03 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG542210204
Side View
Table 55.5%Crown 36.3°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: £2,336 GBP|Low: £412 GBP|High: £2,370 GBP|Avg: £1,054 GBP|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5£514 GBP
Retailer 7£576 GBP
Retailer 3£728 GBP
Retailer 10£769 GBP
Retailer 8£821 GBP
Retailer 6£970 GBP
Retailer 2£984 GBP
Retailer 9£1,070 GBP
Retailer 4£1,469 GBP
MOH London£2,336 GBP

19 data points across 10 retailers

13 retailers£514 GBP to £2,336 GBP

A
Cheapest Retailer
-
£514 GBP
A
Retailer 2
-
£559 GBP
View
A
Retailer 3
-
£576 GBP
View
Final sale: no returns
Retailer 4
-
£597 GBP
View
Price last confirmed 21 days ago
A
Retailer 5
-
£597 GBP
View
A
Retailer 6
-
£728 GBP
View
A
Retailer 7
-
£821 GBP
View
A
Retailer 8
-
£970 GBP
View
A
Retailer 9
-
£984 GBP
View
A
Retailer 10
-
£1,070 GBP
View
A
Retailer 11
-
£1,469 GBP
View
A
Retailer 12
-
£1,677 GBP
View
Most Expensive
A
MOH London
LG542210204 · Nov 5
£2,336 GBP
View
12 more retailers have this diamond
Prices start from £514 GBPSave up to £1,822 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.03ct Round
£514 GBP